Home / 78,707,188.55-108,616,297.48-43,424,991.87

Finding the Fourth Proportional to 78,707,188.55, 108,616,297.48 and 43,424,991.87

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Solution

The fourth proportional to 78,707,188.55, 108,616,297.48 and 43,424,991.87 is: 59,926,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707,188.55 : 108,616,297.48 = 43,424,991.87 : x
  2. Step 2: Convert to fraction form
    78,707,188.55/108,616,297.48 = 43,424,991.87/x
  3. Step 3: Cross multiply
    78,707,188.55x = 108,616,297.48 × 43,424,991.87
  4. Step 4: Simplify right side
    78,707,188.55x = 4,716,661,835,018,501
  5. Step 5: Solve for x
    x = 4,716,661,835,018,501/78,707,188.55
  6. Step 6: Final answer
    x = 59,926,696.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.